Att achments for 650, 651, 196 and 196M Back Plunger Dial Indica tors and Universal Dial Indica tors A. Clamp PT99437 With a 1-5/16" (33mm) flat or round capacity – 5/16" (8mm) post (PT03709-1/2) used with PT18718 Snug. B. Tool Post Holder PT99438 3/8" x 3/4" x 6" (9.5 x 19 x 150mm) with upright spindle (PT03820-0) 5/16" dia. x 4-1/2" length (8 x 114mm). Use with PT18718 Snug. C. Snug Complete PT18718. Post hole has a 5/16" diameter† and 3/32-1/4" holding capacity. Can be used on our 252 Height Transfer Gage, 57 and 257A and B Surface Gages, on 657A Magnetic Base and Swivel Post Assembly. A B C D E F G H I Att achments for 196 and 196M Only G. Hole Att achment 196F. allows indicator be used over obstructions and inside holes to a depth of approximately 1-5/8" (40mm). H. Shock Absorbing Anvil PT08726A. I. Split Bushing PT00764. Allows attachment of 196 Indicator to 660 Magnetic Base. Back Plunger Indica tors D. Snug Complete PT18724. Post hole has a 3/8" diameter (9.5mm) and 3/32-1/4" (2.4- 6.3mm) holding capacity. Can be used with our 57 and 257C and D Surface Gages or 657AA Magnetic Base with upright post. E. Universal Snug 57S With spindle hole diameters 5/16", 3/8" (8, 9.5mm) and gripping hole diameters 9/64", 5/32", 3/16", 1/4" (3.5, 4, 4.8, 6.3mm). F . Universal Snug 58S. With spindle hole diameters 1/4", 5/16", 3/8" (6.3, 8, 9.5mm). Gripping hole diameters range from 3/32-1/4" used on holders with smaller clamp hole. Attachments for 650, 651, 196 and 196M Back Plunger Dial Indicators and Universal Dial Indicators Photo Key Cat./Part No. EDP Description A* PT99437 64492 Clamp B* PT99438 64493 Tool Post Holder C* PT18718 50709 Snug Complete D PT18724 50710 Snug Complete - 1/4" and 3/8" Holes E 57S 50296 Universal Snug F 58S 56613 G* 196F 50706 Hole Attachment for 196 and 196M Only H PT08726A 66052 Shock Absorbing Anvil for 196 and 196M Only I PT00764 68850 Split Bushing for 196 and 196M Only *Attachments marked with an asterisk (*) are furnished with all sets having "A" in the catalog number. †For snug with 8mm post hole diameter and 2.4-6.3mm holding capacity, order PT27171, EDP 66457. 143 I ndica tors and G ages